Tag Archives: Manual J


Rotating a Building

This question came from one of our customers in South Carolina, “I’ll get a plan from a contractor but they aren’t sure which way [...]

What is Orientation Comments?

We got a call from a building inspector who was reviewing a contractor’s heat load. His question, “The report has ‘Building Orient [...]

What is the yellow duct icon in RHVAC 9 do?

If you use RHVAC regularly you’re probably familiar with the basic functions you use to perform a heat load. But there are all these o [...]
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